| Irmo to Orthez | 4,210.28 mi (6,775.80 km) |
| Irmo to Orvault | 4,083.44 mi (6,571.66 km) |
| Irmo to Osny | 4,203.78 mi (6,765.33 km) |
| Irmo to Ostwald | 4,455.78 mi (7,170.89 km) |
| Irmo to Ouistreham | 4,099.66 mi (6,597.77 km) |
| Irmo to Oullins | 4,407.48 mi (7,093.16 km) |
| Irmo to Outreau | 4,146.91 mi (6,673.81 km) |
| Irmo to Oyonnax | 4,430.23 mi (7,129.77 km) |
| Irmo to Ozoir-la-Ferriere | 4,236.76 mi (6,818.41 km) |
| Irmo to Pace | 4,057.97 mi (6,530.67 km) |
| Irmo to Palaiseau | 4,219.68 mi (6,790.93 km) |
| Irmo to Pamiers | 4,331.06 mi (6,970.16 km) |
| Irmo to Panazol | 4,247.91 mi (6,836.35 km) |
| Irmo to Pantin | 4,222.06 mi (6,794.75 km) |
| Irmo to Paray-le-Monial | 4,357.46 mi (7,012.65 km) |
