| Saint-Omer to Oschersleben | 397.14 mi (639.13 km) |
| Saint-Omer to Osnabruck | 270.47 mi (435.28 km) |
| Saint-Omer to Ostbevern | 256.68 mi (413.09 km) |
| Saint-Omer to Osterburg | 429.72 mi (691.56 km) |
| Saint-Omer to Ostercappeln | 279.35 mi (449.56 km) |
| Saint-Omer to Osterhofen | 500.41 mi (805.34 km) |
| Saint-Omer to Osterholz-Scharmbeck | 326.19 mi (524.95 km) |
| Saint-Omer to Osternienburg | 427.57 mi (688.11 km) |
| Saint-Omer to Osterode | 352.07 mi (566.61 km) |
| Saint-Omer to Osterwieck | 374.19 mi (602.20 km) |
| Saint-Omer to Ostfildern | 341.54 mi (549.66 km) |
| Saint-Omer to Osthofen | 277.59 mi (446.75 km) |
| Saint-Omer to Ostrhauderfehn | 280.67 mi (451.69 km) |
| Saint-Omer to Ostringen | 305.28 mi (491.30 km) |
| Saint-Omer to Oststeinbek | 386.56 mi (622.10 km) |
