| Pawtucket to Oerlinghausen | 3,645.64 mi (5,867.09 km) |
| Pawtucket to Oestrich-Winkel | 3,672.97 mi (5,911.07 km) |
| Pawtucket to Offenburg | 3,713.94 mi (5,977.01 km) |
| Pawtucket to Oftersheim | 3,714.66 mi (5,978.16 km) |
| Pawtucket to Ohrdruf | 3,758.94 mi (6,049.43 km) |
| Pawtucket to Ohringen | 3,757.03 mi (6,046.36 km) |
| Pawtucket to Olbernhau | 3,866.21 mi (6,222.06 km) |
| Pawtucket to Olching | 3,861.81 mi (6,214.98 km) |
| Pawtucket to Oldenburg | 3,597.12 mi (5,789.01 km) |
| Pawtucket to Oldenburg in Holstein | 3,667.95 mi (5,903.00 km) |
| Pawtucket to Olfen | 3,601.70 mi (5,796.38 km) |
| Pawtucket to Olpe | 3,638.27 mi (5,855.22 km) |
| Pawtucket to Olsberg | 3,655.10 mi (5,882.31 km) |
| Pawtucket to Oranienburg | 3,799.60 mi (6,114.87 km) |
| Pawtucket to Ortenberg | 3,705.59 mi (5,963.56 km) |
