| Port Lavaca to Noventa Vicentina | 5,630.98 mi (9,062.19 km) |
| Port Lavaca to Novi di Modena | 5,619.32 mi (9,043.43 km) |
| Port Lavaca to Novi Ligure | 5,535.74 mi (8,908.92 km) |
| Port Lavaca to Nuoro | 5,718.89 mi (9,203.66 km) |
| Port Lavaca to Occhiobello | 5,646.40 mi (9,087.00 km) |
| Port Lavaca to Oderzo | 5,651.41 mi (9,095.07 km) |
| Port Lavaca to Oggiono | 5,522.95 mi (8,888.34 km) |
| Port Lavaca to Olbia | 5,704.53 mi (9,180.55 km) |
| Port Lavaca to Oleggio | 5,499.72 mi (8,850.95 km) |
| Port Lavaca to Olgiate Comasco | 5,507.10 mi (8,862.83 km) |
| Port Lavaca to Olgiate Olona | 5,508.94 mi (8,865.79 km) |
| Port Lavaca to Omegna | 5,480.57 mi (8,820.12 km) |
| Port Lavaca to Opera | 5,531.66 mi (8,902.35 km) |
| Port Lavaca to Oppeano | 5,616.00 mi (9,038.08 km) |
| Port Lavaca to Orbassano | 5,474.34 mi (8,810.10 km) |
