| Mechernich to Oschersleben | 221.43 mi (356.36 km) |
| Mechernich to Osnabruck | 131.00 mi (210.82 km) |
| Mechernich to Ostbevern | 112.02 mi (180.29 km) |
| Mechernich to Osterburg | 265.95 mi (428.01 km) |
| Mechernich to Ostercappeln | 138.78 mi (223.35 km) |
| Mechernich to Osterhofen | 313.55 mi (504.61 km) |
| Mechernich to Osterholz-Scharmbeck | 202.67 mi (326.17 km) |
| Mechernich to Osternienburg | 246.63 mi (396.91 km) |
| Mechernich to Osterode | 174.44 mi (280.74 km) |
| Mechernich to Osterwieck | 199.47 mi (321.01 km) |
| Mechernich to Ostfildern | 173.63 mi (279.43 km) |
| Mechernich to Osthofen | 96.56 mi (155.40 km) |
| Mechernich to Ostrhauderfehn | 178.71 mi (287.60 km) |
| Mechernich to Ostringen | 132.31 mi (212.93 km) |
| Mechernich to Oststeinbek | 252.29 mi (406.02 km) |
