| Texarkana to Oerlinghausen | 4,926.01 mi (7,927.65 km) |
| Texarkana to Oestrich-Winkel | 4,970.76 mi (7,999.66 km) |
| Texarkana to Offenburg | 5,022.87 mi (8,083.53 km) |
| Texarkana to Oftersheim | 5,015.63 mi (8,071.88 km) |
| Texarkana to Ohrdruf | 5,043.09 mi (8,116.08 km) |
| Texarkana to Ohringen | 5,056.91 mi (8,138.31 km) |
| Texarkana to Olbernhau | 5,144.16 mi (8,278.73 km) |
| Texarkana to Olching | 5,163.97 mi (8,310.60 km) |
| Texarkana to Oldenburg | 4,868.39 mi (7,834.92 km) |
| Texarkana to Oldenburg in Holstein | 4,921.08 mi (7,919.71 km) |
| Texarkana to Olfen | 4,887.48 mi (7,865.64 km) |
| Texarkana to Olpe | 4,928.60 mi (7,931.82 km) |
| Texarkana to Olsberg | 4,941.08 mi (7,951.90 km) |
| Texarkana to Oranienburg | 5,060.09 mi (8,143.43 km) |
| Texarkana to Ortenberg | 4,997.97 mi (8,043.46 km) |
