| Heerlen to Orthez | 600.81 mi (966.91 km) |
| Heerlen to Orvault | 424.81 mi (683.67 km) |
| Heerlen to Osny | 214.99 mi (346.00 km) |
| Heerlen to Ostwald | 178.71 mi (287.60 km) |
| Heerlen to Ouistreham | 297.99 mi (479.56 km) |
| Heerlen to Oullins | 361.14 mi (581.20 km) |
| Heerlen to Outreau | 192.08 mi (309.12 km) |
| Heerlen to Oyonnax | 320.06 mi (515.08 km) |
| Heerlen to Ozoir-la-Ferriere | 206.92 mi (333.01 km) |
| Heerlen to Pace | 395.71 mi (636.83 km) |
| Heerlen to Palaiseau | 224.09 mi (360.64 km) |
| Heerlen to Pamiers | 574.57 mi (924.69 km) |
| Heerlen to Panazol | 409.08 mi (658.35 km) |
| Heerlen to Pantin | 210.34 mi (338.51 km) |
| Heerlen to Paray-le-Monial | 317.80 mi (511.45 km) |
