| Ianca to Orthez | 1,393.94 mi (2,243.33 km) |
| Ianca to Orvault | 1,391.05 mi (2,238.68 km) |
| Ianca to Osny | 1,219.46 mi (1,962.53 km) |
| Ianca to Ostwald | 960.28 mi (1,545.42 km) |
| Ianca to Ouistreham | 1,324.87 mi (2,132.18 km) |
| Ianca to Oullins | 1,096.20 mi (1,764.17 km) |
| Ianca to Outreau | 1,251.16 mi (2,013.55 km) |
| Ianca to Oyonnax | 1,052.49 mi (1,693.82 km) |
| Ianca to Ozoir-la-Ferriere | 1,190.44 mi (1,915.83 km) |
| Ianca to Pace | 1,394.34 mi (2,243.97 km) |
| Ianca to Palaiseau | 1,210.02 mi (1,947.33 km) |
| Ianca to Pamiers | 1,284.76 mi (2,067.62 km) |
| Ianca to Panazol | 1,262.66 mi (2,032.05 km) |
| Ianca to Pantin | 1,203.50 mi (1,936.84 km) |
| Ianca to Paray-le-Monial | 1,124.70 mi (1,810.03 km) |
