| Monterotondo to Orthez | 685.49 mi (1,103.19 km) |
| Monterotondo to Orvault | 785.67 mi (1,264.42 km) |
| Monterotondo to Osny | 702.54 mi (1,130.62 km) |
| Monterotondo to Ostwald | 508.21 mi (817.89 km) |
| Monterotondo to Ouistreham | 795.63 mi (1,280.44 km) |
| Monterotondo to Oullins | 463.71 mi (746.27 km) |
| Monterotondo to Outreau | 794.29 mi (1,278.28 km) |
| Monterotondo to Oyonnax | 450.85 mi (725.57 km) |
| Monterotondo to Ozoir-la-Ferriere | 668.57 mi (1,075.96 km) |
| Monterotondo to Pace | 816.66 mi (1,314.29 km) |
| Monterotondo to Palaiseau | 681.05 mi (1,096.04 km) |
| Monterotondo to Pamiers | 564.31 mi (908.17 km) |
| Monterotondo to Panazol | 619.67 mi (997.26 km) |
| Monterotondo to Pantin | 683.53 mi (1,100.03 km) |
| Monterotondo to Paray-le-Monial | 518.49 mi (834.43 km) |
