| Southern Pines to Oerlinghausen | 4,277.38 mi (6,883.78 km) |
| Southern Pines to Oestrich-Winkel | 4,302.53 mi (6,924.25 km) |
| Southern Pines to Offenburg | 4,341.29 mi (6,986.64 km) |
| Southern Pines to Oftersheim | 4,343.61 mi (6,990.37 km) |
| Southern Pines to Ohrdruf | 4,390.20 mi (7,065.35 km) |
| Southern Pines to Ohringen | 4,386.12 mi (7,058.78 km) |
| Southern Pines to Olbernhau | 4,497.97 mi (7,238.78 km) |
| Southern Pines to Olching | 4,490.32 mi (7,226.47 km) |
| Southern Pines to Oldenburg | 4,229.57 mi (6,806.83 km) |
| Southern Pines to Oldenburg in Holstein | 4,300.96 mi (6,921.73 km) |
| Southern Pines to Olfen | 4,232.96 mi (6,812.29 km) |
| Southern Pines to Olpe | 4,268.95 mi (6,870.21 km) |
| Southern Pines to Olsberg | 4,286.28 mi (6,898.10 km) |
| Southern Pines to Oranienburg | 4,432.42 mi (7,133.30 km) |
| Southern Pines to Ortenberg | 4,335.91 mi (6,977.98 km) |
