| Pont-a-Celles to Oria | 941.24 mi (1,514.79 km) |
| Pont-a-Celles to Oristano | 760.23 mi (1,223.47 km) |
| Pont-a-Celles to Orta Nova | 834.53 mi (1,343.05 km) |
| Pont-a-Celles to Orte | 673.49 mi (1,083.88 km) |
| Pont-a-Celles to Ortona | 737.71 mi (1,187.23 km) |
| Pont-a-Celles to Orvieto | 650.95 mi (1,047.61 km) |
| Pont-a-Celles to Orzinuovi | 436.68 mi (702.78 km) |
| Pont-a-Celles to Osimo | 647.36 mi (1,041.83 km) |
| Pont-a-Celles to Ospitaletto | 431.77 mi (694.86 km) |
| Pont-a-Celles to Ostuni | 927.01 mi (1,491.88 km) |
| Pont-a-Celles to Ottaviano | 825.19 mi (1,328.02 km) |
| Pont-a-Celles to Ovada | 451.58 mi (726.74 km) |
| Pont-a-Celles to Ozieri | 720.75 mi (1,159.94 km) |
| Pont-a-Celles to Paceco | 953.94 mi (1,535.21 km) |
| Pont-a-Celles to Pachino | 1,091.13 mi (1,756.00 km) |
