| Wells Branch to Oerlinghausen | 5,219.72 mi (8,400.33 km) |
| Wells Branch to Oestrich-Winkel | 5,265.53 mi (8,474.05 km) |
| Wells Branch to Offenburg | 5,318.17 mi (8,558.77 km) |
| Wells Branch to Oftersheim | 5,310.55 mi (8,546.51 km) |
| Wells Branch to Ohrdruf | 5,336.99 mi (8,589.06 km) |
| Wells Branch to Ohringen | 5,351.76 mi (8,612.82 km) |
| Wells Branch to Olbernhau | 5,437.55 mi (8,750.89 km) |
| Wells Branch to Olching | 5,458.90 mi (8,785.24 km) |
| Wells Branch to Oldenburg | 5,161.51 mi (8,306.64 km) |
| Wells Branch to Oldenburg in Holstein | 5,212.70 mi (8,389.03 km) |
| Wells Branch to Olfen | 5,181.58 mi (8,338.94 km) |
| Wells Branch to Olpe | 5,222.96 mi (8,405.55 km) |
| Wells Branch to Olsberg | 5,235.16 mi (8,425.17 km) |
| Wells Branch to Oranienburg | 5,352.18 mi (8,613.50 km) |
| Wells Branch to Ortenberg | 5,292.42 mi (8,517.33 km) |
