| Gengenbach to Ottendorf-Okrilla | 322.37 mi (518.81 km) |
| Gengenbach to Ottersberg | 328.48 mi (528.64 km) |
| Gengenbach to Ottobrunn | 169.54 mi (272.85 km) |
| Gengenbach to Ottweiler | 77.15 mi (124.17 km) |
| Gengenbach to Overath | 179.08 mi (288.19 km) |
| Gengenbach to Oyten | 325.00 mi (523.04 km) |
| Gengenbach to Paderborn | 231.58 mi (372.69 km) |
| Gengenbach to Papenburg | 323.56 mi (520.72 km) |
| Gengenbach to Parchim | 384.31 mi (618.48 km) |
| Gengenbach to Pasewalk | 437.85 mi (704.65 km) |
| Gengenbach to Passau | 249.72 mi (401.89 km) |
| Gengenbach to Pattensen | 278.07 mi (447.50 km) |
| Gengenbach to Pegnitz | 185.13 mi (297.93 km) |
| Gengenbach to Peine | 287.92 mi (463.36 km) |
| Gengenbach to Peissenberg | 146.52 mi (235.81 km) |
