| Cities | Distance |
|---|---|
| Apen to Oestrich-Winkel | 222.73 mi (358.44 km) |
| Apen to Offenburg | 328.56 mi (528.77 km) |
| Apen to Oftersheim | 268.16 mi (431.56 km) |
| Apen to Ohrdruf | 206.82 mi (332.84 km) |
| Apen to Ohringen | 287.30 mi (462.37 km) |
| Apen to Olbernhau | 293.98 mi (473.11 km) |
| Apen to Olching | 379.25 mi (610.34 km) |
| Apen to Oldenburg | 17.57 mi (28.28 km) |
| Apen to Oldenburg in Holstein | 145.98 mi (234.93 km) |
| Apen to Olfen | 105.50 mi (169.79 km) |
| Apen to Olpe | 152.33 mi (245.16 km) |
| Apen to Olsberg | 132.40 mi (213.07 km) |
| Apen to Oranienburg | 227.97 mi (366.88 km) |
| Apen to Ortenberg | 205.02 mi (329.94 km) |
| Apen to Oschatz | 260.30 mi (418.92 km) |