| Maaseik to Oestrich-Winkel | 123.47 mi (198.71 km) |
| Maaseik to Offenburg | 205.72 mi (331.08 km) |
| Maaseik to Oftersheim | 172.06 mi (276.90 km) |
| Maaseik to Ohrdruf | 216.06 mi (347.72 km) |
| Maaseik to Ohringen | 210.46 mi (338.70 km) |
| Maaseik to Olbernhau | 330.23 mi (531.45 km) |
| Maaseik to Olching | 318.32 mi (512.28 km) |
| Maaseik to Oldenburg | 174.67 mi (281.10 km) |
| Maaseik to Oldenburg in Holstein | 307.07 mi (494.17 km) |
| Maaseik to Olfen | 80.90 mi (130.20 km) |
| Maaseik to Olpe | 89.12 mi (143.42 km) |
| Maaseik to Olsberg | 117.97 mi (189.86 km) |
| Maaseik to Oranienburg | 337.19 mi (542.65 km) |
| Maaseik to Ortenberg | 151.99 mi (244.61 km) |
| Maaseik to Oschatz | 317.14 mi (510.39 km) |
