| Issy-les-Moulineaux to Oria | 946.14 mi (1,522.66 km) |
| Issy-les-Moulineaux to Oristano | 690.20 mi (1,110.76 km) |
| Issy-les-Moulineaux to Orta Nova | 833.47 mi (1,341.34 km) |
| Issy-les-Moulineaux to Orte | 656.34 mi (1,056.28 km) |
| Issy-les-Moulineaux to Ortona | 736.16 mi (1,184.73 km) |
| Issy-les-Moulineaux to Orvieto | 633.80 mi (1,020.00 km) |
| Issy-les-Moulineaux to Orzinuovi | 430.74 mi (693.21 km) |
| Issy-les-Moulineaux to Osimo | 650.26 mi (1,046.50 km) |
| Issy-les-Moulineaux to Ospitaletto | 430.09 mi (692.16 km) |
| Issy-les-Moulineaux to Ostuni | 933.36 mi (1,502.10 km) |
| Issy-les-Moulineaux to Ottaviano | 811.36 mi (1,305.76 km) |
| Issy-les-Moulineaux to Ovada | 417.80 mi (672.39 km) |
| Issy-les-Moulineaux to Ozieri | 657.71 mi (1,058.49 km) |
| Issy-les-Moulineaux to Paceco | 907.77 mi (1,460.92 km) |
| Issy-les-Moulineaux to Pachino | 1,056.78 mi (1,700.72 km) |
