| Civitavecchia to Oststeinbek | 794.28 mi (1,278.28 km) |
| Civitavecchia to Ottendorf-Okrilla | 634.57 mi (1,021.23 km) |
| Civitavecchia to Ottersberg | 769.85 mi (1,238.95 km) |
| Civitavecchia to Ottobrunn | 412.31 mi (663.55 km) |
| Civitavecchia to Ottweiler | 549.29 mi (884.00 km) |
| Civitavecchia to Overath | 647.50 mi (1,042.05 km) |
| Civitavecchia to Oyten | 768.20 mi (1,236.31 km) |
| Civitavecchia to Paderborn | 679.76 mi (1,093.97 km) |
| Civitavecchia to Papenburg | 784.60 mi (1,262.69 km) |
| Civitavecchia to Parchim | 781.91 mi (1,258.36 km) |
| Civitavecchia to Pasewalk | 794.15 mi (1,278.07 km) |
| Civitavecchia to Passau | 454.55 mi (731.53 km) |
| Civitavecchia to Pattensen | 708.83 mi (1,140.76 km) |
| Civitavecchia to Pegnitz | 529.15 mi (851.58 km) |
| Civitavecchia to Peine | 709.93 mi (1,142.51 km) |
