| Coudekerque-Branche to Oria | 1,029.87 mi (1,657.42 km) |
| Coudekerque-Branche to Oristano | 824.20 mi (1,326.43 km) |
| Coudekerque-Branche to Orta Nova | 921.77 mi (1,483.44 km) |
| Coudekerque-Branche to Orte | 756.31 mi (1,217.16 km) |
| Coudekerque-Branche to Ortona | 824.55 mi (1,326.98 km) |
| Coudekerque-Branche to Orvieto | 733.66 mi (1,180.71 km) |
| Coudekerque-Branche to Orzinuovi | 520.65 mi (837.90 km) |
| Coudekerque-Branche to Osimo | 734.77 mi (1,182.51 km) |
| Coudekerque-Branche to Ospitaletto | 516.71 mi (831.56 km) |
| Coudekerque-Branche to Ostuni | 1,015.87 mi (1,634.89 km) |
| Coudekerque-Branche to Ottaviano | 909.47 mi (1,463.65 km) |
| Coudekerque-Branche to Ovada | 527.64 mi (849.15 km) |
| Coudekerque-Branche to Ozieri | 787.74 mi (1,267.75 km) |
| Coudekerque-Branche to Paceco | 1,028.60 mi (1,655.38 km) |
| Coudekerque-Branche to Pachino | 1,170.21 mi (1,883.27 km) |
