| Grinon to Oststeinbek | 1,129.69 mi (1,818.06 km) |
| Grinon to Ottendorf-Okrilla | 1,135.40 mi (1,827.25 km) |
| Grinon to Ottersberg | 1,079.14 mi (1,736.71 km) |
| Grinon to Ottobrunn | 938.50 mi (1,510.38 km) |
| Grinon to Ottweiler | 829.81 mi (1,335.45 km) |
| Grinon to Overath | 914.71 mi (1,472.08 km) |
| Grinon to Oyten | 1,073.57 mi (1,727.75 km) |
| Grinon to Paderborn | 995.96 mi (1,602.85 km) |
| Grinon to Papenburg | 1,033.13 mi (1,662.66 km) |
| Grinon to Parchim | 1,170.10 mi (1,883.09 km) |
| Grinon to Pasewalk | 1,239.51 mi (1,994.80 km) |
| Grinon to Passau | 1,027.82 mi (1,654.11 km) |
| Grinon to Pattensen | 1,053.02 mi (1,694.67 km) |
| Grinon to Pegnitz | 996.74 mi (1,604.10 km) |
| Grinon to Peine | 1,069.32 mi (1,720.90 km) |
