| Viersen to Orthez | 632.22 mi (1,017.46 km) |
| Viersen to Orvault | 454.04 mi (730.71 km) |
| Viersen to Osny | 244.59 mi (393.63 km) |
| Viersen to Ostwald | 195.85 mi (315.20 km) |
| Viersen to Ouistreham | 323.96 mi (521.37 km) |
| Viersen to Oullins | 389.68 mi (627.13 km) |
| Viersen to Outreau | 212.36 mi (341.76 km) |
| Viersen to Oyonnax | 347.11 mi (558.62 km) |
| Viersen to Ozoir-la-Ferriere | 237.75 mi (382.62 km) |
| Viersen to Pace | 423.26 mi (681.18 km) |
| Viersen to Palaiseau | 254.59 mi (409.72 km) |
| Viersen to Pamiers | 605.32 mi (974.16 km) |
| Viersen to Panazol | 440.48 mi (708.88 km) |
| Viersen to Pantin | 240.70 mi (387.36 km) |
| Viersen to Paray-le-Monial | 347.72 mi (559.61 km) |
