| Mainaschaff to Oestrich-Winkel | 48.13 mi (77.46 km) |
| Mainaschaff to Offenburg | 116.93 mi (188.18 km) |
| Mainaschaff to Oftersheim | 47.84 mi (77.00 km) |
| Mainaschaff to Ohrdruf | 93.18 mi (149.96 km) |
| Mainaschaff to Ohringen | 57.25 mi (92.13 km) |
| Mainaschaff to Olbernhau | 193.30 mi (311.08 km) |
| Mainaschaff to Olching | 159.34 mi (256.43 km) |
| Mainaschaff to Oldenburg | 221.54 mi (356.54 km) |
| Mainaschaff to Oldenburg in Holstein | 307.84 mi (495.42 km) |
| Mainaschaff to Olfen | 140.86 mi (226.69 km) |
| Mainaschaff to Olpe | 90.09 mi (144.98 km) |
| Mainaschaff to Olsberg | 98.02 mi (157.74 km) |
| Mainaschaff to Oranienburg | 262.14 mi (421.87 km) |
| Mainaschaff to Ortenberg | 25.77 mi (41.47 km) |
| Mainaschaff to Oschatz | 198.37 mi (319.25 km) |
