| Port Lavaca to Olivares | 5,073.42 mi (8,164.88 km) |
| Port Lavaca to Olivenza | 4,991.28 mi (8,032.68 km) |
| Port Lavaca to Olot | 5,346.15 mi (8,603.80 km) |
| Port Lavaca to Onate | 5,095.99 mi (8,201.20 km) |
| Port Lavaca to Onda | 5,287.22 mi (8,508.95 km) |
| Port Lavaca to Onteniente | 5,305.62 mi (8,538.56 km) |
| Port Lavaca to Orihuela | 5,311.64 mi (8,548.27 km) |
| Port Lavaca to Osuna | 5,131.28 mi (8,258.00 km) |
| Port Lavaca to Ourense | 4,859.47 mi (7,820.57 km) |
| Port Lavaca to Oviedo | 4,928.37 mi (7,931.44 km) |
| Port Lavaca to Paiporta | 5,296.18 mi (8,523.38 km) |
| Port Lavaca to Pajara | 4,895.83 mi (7,879.07 km) |
| Port Lavaca to Palafolls | 5,374.43 mi (8,649.32 km) |
| Port Lavaca to Palafrugell | 5,385.28 mi (8,666.76 km) |
| Port Lavaca to Palamos | 5,386.03 mi (8,667.97 km) |
