| Grammichele to Oststeinbek | 1,148.35 mi (1,848.09 km) |
| Grammichele to Ottendorf-Okrilla | 965.67 mi (1,554.10 km) |
| Grammichele to Ottersberg | 1,128.82 mi (1,816.65 km) |
| Grammichele to Ottobrunn | 764.68 mi (1,230.64 km) |
| Grammichele to Ottweiler | 918.72 mi (1,478.54 km) |
| Grammichele to Overath | 1,015.23 mi (1,633.86 km) |
| Grammichele to Oyten | 1,127.74 mi (1,814.91 km) |
| Grammichele to Paderborn | 1,042.36 mi (1,677.52 km) |
| Grammichele to Papenburg | 1,149.21 mi (1,849.48 km) |
| Grammichele to Parchim | 1,127.48 mi (1,814.50 km) |
| Grammichele to Pasewalk | 1,125.62 mi (1,811.51 km) |
| Grammichele to Passau | 787.09 mi (1,266.70 km) |
| Grammichele to Pattensen | 1,066.48 mi (1,716.33 km) |
| Grammichele to Pegnitz | 880.09 mi (1,416.37 km) |
| Grammichele to Peine | 1,065.30 mi (1,714.43 km) |
