| Rosaryville to Oerlinghausen | 4,002.64 mi (6,441.62 km) |
| Rosaryville to Oestrich-Winkel | 4,031.00 mi (6,487.27 km) |
| Rosaryville to Offenburg | 4,072.34 mi (6,553.80 km) |
| Rosaryville to Oftersheim | 4,072.84 mi (6,554.60 km) |
| Rosaryville to Ohrdruf | 4,116.26 mi (6,624.49 km) |
| Rosaryville to Ohringen | 4,115.18 mi (6,622.74 km) |
| Rosaryville to Olbernhau | 4,223.17 mi (6,796.53 km) |
| Rosaryville to Olching | 4,220.06 mi (6,791.53 km) |
| Rosaryville to Oldenburg | 3,953.37 mi (6,362.33 km) |
| Rosaryville to Oldenburg in Holstein | 4,022.55 mi (6,473.66 km) |
| Rosaryville to Olfen | 3,959.05 mi (6,371.47 km) |
| Rosaryville to Olpe | 3,995.91 mi (6,430.80 km) |
| Rosaryville to Olsberg | 4,012.49 mi (6,457.47 km) |
| Rosaryville to Oranienburg | 4,155.06 mi (6,686.92 km) |
| Rosaryville to Ortenberg | 4,063.37 mi (6,539.37 km) |
