| Ridderkerk to Imatra | 1,113.20 mi (1,791.52 km) |
| Ridderkerk to Jakobstad | 1,045.73 mi (1,682.95 km) |
| Ridderkerk to Jamsa | 1,031.88 mi (1,660.65 km) |
| Ridderkerk to Janakkala | 982.49 mi (1,581.17 km) |
| Ridderkerk to Jarvenpaa | 980.58 mi (1,578.09 km) |
| Ridderkerk to Joensuu | 1,184.56 mi (1,906.37 km) |
| Ridderkerk to Joutseno | 1,103.43 mi (1,775.79 km) |
| Ridderkerk to Jyvaskyla | 1,061.09 mi (1,707.66 km) |
| Ridderkerk to Jyvaskylan Maalaiskunta | 1,062.86 mi (1,710.51 km) |
| Ridderkerk to Kaarina | 897.98 mi (1,445.16 km) |
| Ridderkerk to Kajaani | 1,188.84 mi (1,913.25 km) |
| Ridderkerk to Kalajoki | 1,101.67 mi (1,772.96 km) |
| Ridderkerk to Kangasala | 985.97 mi (1,586.76 km) |
| Ridderkerk to Kankaanpaa | 955.04 mi (1,536.99 km) |
| Ridderkerk to Karhula | 1,037.91 mi (1,670.36 km) |
