| Wake Forest to Oerlinghausen | 4,204.36 mi (6,766.27 km) |
| Wake Forest to Oestrich-Winkel | 4,229.63 mi (6,806.93 km) |
| Wake Forest to Offenburg | 4,268.55 mi (6,869.57 km) |
| Wake Forest to Oftersheim | 4,270.76 mi (6,873.12 km) |
| Wake Forest to Ohrdruf | 4,317.21 mi (6,947.87 km) |
| Wake Forest to Ohringen | 4,313.26 mi (6,941.52 km) |
| Wake Forest to Olbernhau | 4,424.95 mi (7,121.26 km) |
| Wake Forest to Olching | 4,417.50 mi (7,109.28 km) |
| Wake Forest to Oldenburg | 4,156.53 mi (6,689.28 km) |
| Wake Forest to Oldenburg in Holstein | 4,227.95 mi (6,804.23 km) |
| Wake Forest to Olfen | 4,159.96 mi (6,694.81 km) |
| Wake Forest to Olpe | 4,195.98 mi (6,752.78 km) |
| Wake Forest to Olsberg | 4,213.28 mi (6,780.63 km) |
| Wake Forest to Oranienburg | 4,359.39 mi (7,015.76 km) |
| Wake Forest to Ortenberg | 4,262.97 mi (6,860.58 km) |
