| Ploiesti to Oberriet | 803.28 mi (1,292.76 km) |
| Ploiesti to Obersiggenthal | 863.73 mi (1,390.04 km) |
| Ploiesti to Oberwil | 898.18 mi (1,445.49 km) |
| Ploiesti to Oberwingert | 841.77 mi (1,354.70 km) |
| Ploiesti to Oftringen | 880.28 mi (1,416.67 km) |
| Ploiesti to Olten | 881.22 mi (1,418.19 km) |
| Ploiesti to Onex | 965.00 mi (1,553.02 km) |
| Ploiesti to Opfikon | 850.62 mi (1,368.93 km) |
| Ploiesti to Ostermundigen | 898.98 mi (1,446.77 km) |
| Ploiesti to Payerne | 924.97 mi (1,488.59 km) |
| Ploiesti to Pfaffikon | 840.11 mi (1,352.03 km) |
| Ploiesti to Plan-les-Ouates | 964.25 mi (1,551.80 km) |
| Ploiesti to Pratteln | 891.44 mi (1,434.63 km) |
| Ploiesti to Prilly | 940.64 mi (1,513.82 km) |
| Ploiesti to Pully | 937.48 mi (1,508.73 km) |
