| Port Lavaca to Oerlinghausen | 5,280.95 mi (8,498.87 km) |
| Port Lavaca to Oestrich-Winkel | 5,322.37 mi (8,565.52 km) |
| Port Lavaca to Offenburg | 5,371.88 mi (8,645.21 km) |
| Port Lavaca to Oftersheim | 5,366.58 mi (8,636.67 km) |
| Port Lavaca to Ohrdruf | 5,397.52 mi (8,686.47 km) |
| Port Lavaca to Ohringen | 5,408.16 mi (8,703.59 km) |
| Port Lavaca to Olbernhau | 5,499.80 mi (8,851.08 km) |
| Port Lavaca to Olching | 5,514.82 mi (8,875.25 km) |
| Port Lavaca to Oldenburg | 5,224.74 mi (8,408.41 km) |
| Port Lavaca to Oldenburg in Holstein | 5,279.99 mi (8,497.33 km) |
| Port Lavaca to Olfen | 5,241.40 mi (8,435.22 km) |
| Port Lavaca to Olpe | 5,281.71 mi (8,500.09 km) |
| Port Lavaca to Olsberg | 5,295.03 mi (8,521.53 km) |
| Port Lavaca to Oranienburg | 5,418.24 mi (8,719.82 km) |
| Port Lavaca to Ortenberg | 5,350.76 mi (8,611.21 km) |
