| Plano to Oerlinghausen | 5,044.14 mi (8,117.76 km) |
| Plano to Oestrich-Winkel | 5,092.37 mi (8,195.38 km) |
| Plano to Offenburg | 5,146.83 mi (8,283.02 km) |
| Plano to Oftersheim | 5,137.84 mi (8,268.56 km) |
| Plano to Ohrdruf | 5,161.73 mi (8,307.01 km) |
| Plano to Ohringen | 5,178.81 mi (8,334.48 km) |
| Plano to Olbernhau | 5,261.33 mi (8,467.29 km) |
| Plano to Olching | 5,286.17 mi (8,507.27 km) |
| Plano to Oldenburg | 4,984.89 mi (8,022.40 km) |
| Plano to Oldenburg in Holstein | 5,034.03 mi (8,101.48 km) |
| Plano to Olfen | 5,006.78 mi (8,057.63 km) |
| Plano to Olpe | 5,048.75 mi (8,125.17 km) |
| Plano to Olsberg | 5,060.30 mi (8,143.77 km) |
| Plano to Oranienburg | 5,174.05 mi (8,326.83 km) |
| Plano to Ortenberg | 5,118.40 mi (8,237.26 km) |
