| Longmont to Orthez | 4,984.35 mi (8,021.53 km) |
| Longmont to Orvault | 4,790.23 mi (7,709.14 km) |
| Longmont to Osny | 4,847.17 mi (7,800.77 km) |
| Longmont to Ostwald | 5,064.56 mi (8,150.63 km) |
| Longmont to Ouistreham | 4,755.52 mi (7,653.28 km) |
| Longmont to Oullins | 5,094.59 mi (8,198.95 km) |
| Longmont to Outreau | 4,759.84 mi (7,660.22 km) |
| Longmont to Oyonnax | 5,100.06 mi (8,207.76 km) |
| Longmont to Ozoir-la-Ferriere | 4,881.17 mi (7,855.49 km) |
| Longmont to Pace | 4,748.00 mi (7,641.16 km) |
| Longmont to Palaiseau | 4,868.67 mi (7,835.37 km) |
| Longmont to Pamiers | 5,092.96 mi (8,196.33 km) |
| Longmont to Panazol | 4,960.89 mi (7,983.78 km) |
| Longmont to Pantin | 4,866.19 mi (7,831.38 km) |
| Longmont to Paray-le-Monial | 5,036.23 mi (8,105.03 km) |
