| Cinco Ranch to Oerlinghausen | 5,187.68 mi (8,348.77 km) |
| Cinco Ranch to Oestrich-Winkel | 5,229.37 mi (8,415.86 km) |
| Cinco Ranch to Offenburg | 5,279.15 mi (8,495.97 km) |
| Cinco Ranch to Oftersheim | 5,273.65 mi (8,487.12 km) |
| Cinco Ranch to Ohrdruf | 5,304.29 mi (8,536.43 km) |
| Cinco Ranch to Ohringen | 5,315.20 mi (8,553.99 km) |
| Cinco Ranch to Olbernhau | 5,406.49 mi (8,700.90 km) |
| Cinco Ranch to Olching | 5,421.90 mi (8,725.71 km) |
| Cinco Ranch to Oldenburg | 5,131.38 mi (8,258.17 km) |
| Cinco Ranch to Oldenburg in Holstein | 5,186.53 mi (8,346.91 km) |
| Cinco Ranch to Olfen | 5,148.21 mi (8,285.24 km) |
| Cinco Ranch to Olpe | 5,188.58 mi (8,350.21 km) |
| Cinco Ranch to Olsberg | 5,201.84 mi (8,371.55 km) |
| Cinco Ranch to Oranienburg | 5,324.80 mi (8,569.44 km) |
| Cinco Ranch to Ortenberg | 5,257.66 mi (8,461.38 km) |
