| Didcot to Imatra | 1,307.70 mi (2,104.53 km) |
| Didcot to Jakobstad | 1,202.44 mi (1,935.14 km) |
| Didcot to Jamsa | 1,213.15 mi (1,952.37 km) |
| Didcot to Janakkala | 1,171.61 mi (1,885.53 km) |
| Didcot to Jarvenpaa | 1,174.86 mi (1,890.76 km) |
| Didcot to Joensuu | 1,368.45 mi (2,202.30 km) |
| Didcot to Joutseno | 1,298.03 mi (2,088.97 km) |
| Didcot to Jyvaskyla | 1,240.13 mi (1,995.80 km) |
| Didcot to Jyvaskylan Maalaiskunta | 1,241.46 mi (1,997.93 km) |
| Didcot to Kaarina | 1,086.54 mi (1,748.61 km) |
| Didcot to Kajaani | 1,354.22 mi (2,179.40 km) |
| Didcot to Kalajoki | 1,256.65 mi (2,022.38 km) |
| Didcot to Kangasala | 1,168.35 mi (1,880.27 km) |
| Didcot to Kankaanpaa | 1,129.34 mi (1,817.50 km) |
| Didcot to Karhula | 1,235.28 mi (1,987.98 km) |
