| Kilkis to Orthez | 1,217.32 mi (1,959.08 km) |
| Kilkis to Orvault | 1,283.45 mi (2,065.52 km) |
| Kilkis to Osny | 1,153.75 mi (1,856.79 km) |
| Kilkis to Ostwald | 906.18 mi (1,458.36 km) |
| Kilkis to Ouistreham | 1,257.58 mi (2,023.88 km) |
| Kilkis to Oullins | 961.86 mi (1,547.96 km) |
| Kilkis to Outreau | 1,217.66 mi (1,959.64 km) |
| Kilkis to Oyonnax | 932.33 mi (1,500.44 km) |
| Kilkis to Ozoir-la-Ferriere | 1,120.60 mi (1,803.43 km) |
| Kilkis to Pace | 1,302.90 mi (2,096.81 km) |
| Kilkis to Palaiseau | 1,137.56 mi (1,830.72 km) |
| Kilkis to Pamiers | 1,097.46 mi (1,766.19 km) |
| Kilkis to Panazol | 1,128.76 mi (1,816.56 km) |
| Kilkis to Pantin | 1,135.36 mi (1,827.18 km) |
| Kilkis to Paray-le-Monial | 1,006.46 mi (1,619.74 km) |
