| Grottaferrata to Oststeinbek | 820.44 mi (1,320.37 km) |
| Grottaferrata to Ottendorf-Okrilla | 651.15 mi (1,047.92 km) |
| Grottaferrata to Ottersberg | 798.45 mi (1,284.97 km) |
| Grottaferrata to Ottobrunn | 436.56 mi (702.58 km) |
| Grottaferrata to Ottweiler | 587.02 mi (944.73 km) |
| Grottaferrata to Overath | 682.39 mi (1,098.21 km) |
| Grottaferrata to Oyten | 797.11 mi (1,282.83 km) |
| Grottaferrata to Paderborn | 710.43 mi (1,143.33 km) |
| Grottaferrata to Papenburg | 816.73 mi (1,314.40 km) |
| Grottaferrata to Parchim | 804.38 mi (1,294.52 km) |
| Grottaferrata to Pasewalk | 811.52 mi (1,306.02 km) |
| Grottaferrata to Passau | 470.45 mi (757.12 km) |
| Grottaferrata to Pattensen | 736.64 mi (1,185.51 km) |
| Grottaferrata to Pegnitz | 553.20 mi (890.28 km) |
| Grottaferrata to Peine | 736.57 mi (1,185.40 km) |
