| Roanoke to Oerlinghausen | 4,196.43 mi (6,753.50 km) |
| Roanoke to Oestrich-Winkel | 4,226.45 mi (6,801.82 km) |
| Roanoke to Offenburg | 4,268.79 mi (6,869.95 km) |
| Roanoke to Oftersheim | 4,268.59 mi (6,869.63 km) |
| Roanoke to Ohrdruf | 4,310.50 mi (6,937.07 km) |
| Roanoke to Ohringen | 4,310.86 mi (6,937.66 km) |
| Roanoke to Olbernhau | 4,416.87 mi (7,108.27 km) |
| Roanoke to Olching | 4,415.99 mi (7,106.85 km) |
| Roanoke to Oldenburg | 4,146.22 mi (6,672.70 km) |
| Roanoke to Oldenburg in Holstein | 4,213.59 mi (6,781.12 km) |
| Roanoke to Olfen | 4,153.33 mi (6,684.14 km) |
| Roanoke to Olpe | 4,190.65 mi (6,744.21 km) |
| Roanoke to Olsberg | 4,206.83 mi (6,770.23 km) |
| Roanoke to Oranienburg | 4,346.98 mi (6,995.79 km) |
| Roanoke to Ortenberg | 4,258.35 mi (6,853.15 km) |
