National Route 238
国道238号
Japan National Route 238 highlighted in red
Route information
Length	319.6 km[1] (198.6 mi)
Major junctions
East end	National Route 39 /National Route 239 /National Route 240 /National Route 243 inAbashiri
West end	National Route 40 /National Route 232 inWakkanai
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
←National Route 237 →National Route 239

National Route 238 (国道238号,Kokudō Nihyaku sanjūhachi-gō) is the northernmost of thenational highways ofJapan. It connects the cities ofAbashiri andWakkanai in the northern part of the island andprefecture ofHokkaido in northern Japan.

On 18 May 1953, the highway was established as Second Class National Highway 238 by theCabinet of Japan.^[2] It was re-designated as General National Route 238 on 1 April 1965.^[3] A curve of the road was made less sharp inYubetsu on 1 April 2018, this shortened the total length of the highway by 30 meters (98 ft).^[4]

The route lies entirely withinHokkaido.

Location	km	mi	Destinations	Notes
Abashiri	0.0	0.0	National Route 39 /National Route 239 west /National Route 240 /National Route 242 /National Route 243 –Shari,Hamakoshimizu,Kitami,Bihoro	Eastern terminus; eastern end of National Route 239 and 242 concurrency; highway continues east as National Route 39
	1.4	0.87	Hokkaido Route 1010 north – Notoro Fishing Port
	5.5	3.4	Hokkaido Route 104 south – Kitami
	7.2	4.5	Hokkaido Route 76 east – Cape Notori
	11.0	6.8	Hokkaido Route 591 south – Kitami, Bihoro
Kitami	26.0	16.2	Hokkaido Route 409 (Tokoro Harbor Road) west
	27.0	16.8	Hokkaido Route 1033 west – CentralTokoro
	29.4	18.3	Hokkaido Route 7 – Central Tokoro, Kitami
	30.9	19.2	Hokkaido Route 1033 east – Central Tokoro
	31.6	19.6	Hokkaido Route 442 west –Lake Saroma
	39.4	24.5	Hokkaido Route 442 east – Lake Saroma, Sakaeura
Saroma	41.6	25.8	Hokkaido Route 103 west –Rubeshibe, Saroma
	42.2	26.2	Hokkaido Route 858 west – Kimuaneppu Cape
	54.0	33.6	Hokkaido Route 961 south – Saroma
Yūbetsu	60.4	37.5	Hokkaido Route 685 south – toNational Route 333, Wakasa
	68.0	42.3	Hokkaido Route 244 south –Engaru
	77.3	48.0	National Route 242 south – Rubeshibe, Engaru Hokkaido Route 712 west – Ryokuin	Western end of National Route 242 concurrency
	79.0	49.1	Hokkaido Route 204 north – Yūbetsu
Monbetsu	85.6	53.2	Hokkaido Route 873 west – Motomonbetsu
	89.3	55.5	Hokkaido Route 1151 south –Okhotsk Monbetsu Airport
	92.3	57.4	Hokkaido Route 873 east –Maruseppu
	92.9	57.7	Hokkaido Route 305 – Central Motomonbetsu, Central Monbetsu
	93.3	58.0	Hokkaido Route 304 north – Central Monbetsu,Okhotsk Sea Ice Museum of Hokkaido
	94.9	59.0	Hokkaido Route 713 – Central Monbetsu,Takinoue
	102.1	63.4	National Route 273 south –Kamikawa, Takinoue Hokkaido Route 305 east – Central Monbetsu	Northern terminus of National Route 273
Okoppe	111.3	69.2	Hokkaido Route 492 north – Central Okoppe
	118.0	73.3	Hokkaido Route 334 south – Nakamokoppe
	121.2	75.3	National Route 239 west –Nayoro,Nishiokoppe	Western end of National Route 239 concurrency
Ōmu	129.7	80.6	Hokkaido Route 883 south – Nishiokoppe
	138.6	86.1	Hokkaido Route 49 west –Bifuka
	162.0	100.7	Hokkaido Route 60 south –Shimokawa, Bifuka
Esashi	170.0	105.6	Hokkaido Route 880 west – Kamiotoshibe
	180.8	112.3	Hokkaido Route 1023 west –Utanobori
	199.7	124.1	Hokkaido Route 12 west – Utanobori
	200.1	124.3	Hokkaido Route 1069 north – Central Esashi
	204.2	126.9	Hokkaido Route 1069 south – Central Esashi
Hamatonbetsu	225.5	140.1	Hokkaido Route 586 west –Nakatonbetsu
	230.1	143.0	Hokkaido Route 1074 north – Tonbetsu
	232.0	144.2	National Route 275 south –Otoineppu, Nakatonbetsu	Northern terminus of National Route 239
Sarufutsu	241.3	149.9	Hokkaido Route 710 south – Nitachinai
	247.4	153.7	Hokkaido Route 732 south –Toyotomi
	254.4	158.1	Hokkaido Route 584 west – Central Sarufutsu
	264.0	164.0	Hokkaido Route 138 west – toNational Route 40, Onishibetsu, Toyotomi
Wakkanai	275.6	171.2	Hokkaido Route 1077 west – Central Wakkanai,Wakkanai Airport
	298.1	185.2	Hokkaido Route 889 south – Sōya Hill
	307.6	191.1	Hokkaido Route 1077 east – Onishibetsu, Numakawa
	313.4	194.7	Hokkaido Route 121 south – Numakawa, Wakkanai Airport
	315.2	195.9	Hokkaido Route 1133 south – Hokkaido Sōya Fureai Park
	319.6	198.6	National Route 40 /National Route 232 – Nayoro, Toyotomi,Wakkanai Station	Western terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

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