| Clausthal-Zellerfeld to Orthez | 771.27 mi (1,241.25 km) |
| Clausthal-Zellerfeld to Orvault | 619.85 mi (997.55 km) |
| Clausthal-Zellerfeld to Osny | 410.24 mi (660.22 km) |
| Clausthal-Zellerfeld to Ostwald | 252.95 mi (407.09 km) |
| Clausthal-Zellerfeld to Ouistreham | 496.27 mi (798.67 km) |
| Clausthal-Zellerfeld to Oullins | 490.01 mi (788.60 km) |
| Clausthal-Zellerfeld to Outreau | 385.35 mi (620.15 km) |
| Clausthal-Zellerfeld to Oyonnax | 437.89 mi (704.72 km) |
| Clausthal-Zellerfeld to Ozoir-la-Ferriere | 397.12 mi (639.10 km) |
| Clausthal-Zellerfeld to Pace | 593.49 mi (955.13 km) |
| Clausthal-Zellerfeld to Palaiseau | 415.93 mi (669.38 km) |
| Clausthal-Zellerfeld to Pamiers | 724.48 mi (1,165.94 km) |
| Clausthal-Zellerfeld to Panazol | 581.00 mi (935.02 km) |
| Clausthal-Zellerfeld to Pantin | 403.08 mi (648.70 km) |
| Clausthal-Zellerfeld to Paray-le-Monial | 464.22 mi (747.08 km) |
