| Suamico to Oerlinghausen | 4,136.53 mi (6,657.11 km) |
| Suamico to Oestrich-Winkel | 4,191.78 mi (6,746.02 km) |
| Suamico to Offenburg | 4,251.72 mi (6,842.48 km) |
| Suamico to Oftersheim | 4,238.50 mi (6,821.21 km) |
| Suamico to Ohrdruf | 4,254.83 mi (6,847.49 km) |
| Suamico to Ohringen | 4,278.64 mi (6,885.80 km) |
| Suamico to Olbernhau | 4,351.62 mi (7,003.25 km) |
| Suamico to Olching | 4,386.43 mi (7,059.27 km) |
| Suamico to Oldenburg | 4,074.51 mi (6,557.28 km) |
| Suamico to Oldenburg in Holstein | 4,118.34 mi (6,627.82 km) |
| Suamico to Olfen | 4,101.48 mi (6,600.69 km) |
| Suamico to Olpe | 4,145.06 mi (6,670.83 km) |
| Suamico to Olsberg | 4,154.74 mi (6,686.41 km) |
| Suamico to Oranienburg | 4,259.54 mi (6,855.07 km) |
| Suamico to Ortenberg | 4,215.14 mi (6,783.62 km) |
