| Mantsala to Oestrich-Winkel | 995.61 mi (1,602.28 km) |
| Mantsala to Offenburg | 1,084.81 mi (1,745.84 km) |
| Mantsala to Oftersheim | 1,016.37 mi (1,635.69 km) |
| Mantsala to Ohrdruf | 879.68 mi (1,415.71 km) |
| Mantsala to Ohringen | 1,003.80 mi (1,615.45 km) |
| Mantsala to Olbernhau | 829.35 mi (1,334.70 km) |
| Mantsala to Olching | 1,022.34 mi (1,645.30 km) |
| Mantsala to Oldenburg | 823.11 mi (1,324.67 km) |
| Mantsala to Oldenburg in Holstein | 689.62 mi (1,109.83 km) |
| Mantsala to Olfen | 919.37 mi (1,479.58 km) |
| Mantsala to Olpe | 944.11 mi (1,519.40 km) |
| Mantsala to Olsberg | 908.55 mi (1,462.17 km) |
| Mantsala to Oranienburg | 709.37 mi (1,141.62 km) |
| Mantsala to Ortenberg | 948.42 mi (1,526.34 km) |
| Mantsala to Oschatz | 796.50 mi (1,281.84 km) |
