| Dunkerque to Obernburg am Main | 308.82 mi (497.00 km) |
| Dunkerque to Obernkirchen | 301.01 mi (484.43 km) |
| Dunkerque to Oberschleissheim | 453.61 mi (730.01 km) |
| Dunkerque to Oberstdorf | 435.51 mi (700.88 km) |
| Dunkerque to Obertraubling | 457.31 mi (735.97 km) |
| Dunkerque to Obertshausen | 291.15 mi (468.55 km) |
| Dunkerque to Oberursel | 277.72 mi (446.95 km) |
| Dunkerque to Ochsenfurt | 352.16 mi (566.75 km) |
| Dunkerque to Ochsenhausen | 396.12 mi (637.50 km) |
| Dunkerque to Ochtrup | 221.59 mi (356.62 km) |
| Dunkerque to Odenthal | 205.87 mi (331.32 km) |
| Dunkerque to Oelde | 254.56 mi (409.67 km) |
| Dunkerque to Oelsnitz | 429.97 mi (691.98 km) |
| Dunkerque to Oer-Erkenschwick | 214.40 mi (345.04 km) |
| Dunkerque to Oerlinghausen | 277.90 mi (447.23 km) |
