| Belfast to Imatra | 1,334.19 mi (2,147.18 km) |
| Belfast to Jakobstad | 1,177.70 mi (1,895.33 km) |
| Belfast to Jamsa | 1,222.92 mi (1,968.10 km) |
| Belfast to Janakkala | 1,195.37 mi (1,923.76 km) |
| Belfast to Jarvenpaa | 1,206.63 mi (1,941.88 km) |
| Belfast to Joensuu | 1,375.82 mi (2,214.18 km) |
| Belfast to Joutseno | 1,325.07 mi (2,132.49 km) |
| Belfast to Jyvaskyla | 1,245.34 mi (2,004.19 km) |
| Belfast to Jyvaskylan Maalaiskunta | 1,245.94 mi (2,005.15 km) |
| Belfast to Kaarina | 1,113.82 mi (1,792.52 km) |
| Belfast to Kajaani | 1,334.78 mi (2,148.12 km) |
| Belfast to Kalajoki | 1,226.95 mi (1,974.58 km) |
| Belfast to Kangasala | 1,181.95 mi (1,902.16 km) |
| Belfast to Kankaanpaa | 1,133.08 mi (1,823.51 km) |
| Belfast to Karhula | 1,269.37 mi (2,042.85 km) |
