| Princeton to Olivares | 4,341.64 mi (6,987.19 km) |
| Princeton to Olivenza | 4,272.82 mi (6,876.44 km) |
| Princeton to Olot | 4,708.17 mi (7,577.06 km) |
| Princeton to Onate | 4,451.91 mi (7,164.65 km) |
| Princeton to Onda | 4,609.07 mi (7,417.58 km) |
| Princeton to Onteniente | 4,611.36 mi (7,421.26 km) |
| Princeton to Orihuela | 4,606.70 mi (7,413.77 km) |
| Princeton to Osuna | 4,400.70 mi (7,082.25 km) |
| Princeton to Ourense | 4,188.66 mi (6,741.00 km) |
| Princeton to Oviedo | 4,278.07 mi (6,884.89 km) |
| Princeton to Paiporta | 4,610.47 mi (7,419.83 km) |
| Princeton to Pajara | 4,035.27 mi (6,494.14 km) |
| Princeton to Palafolls | 4,730.57 mi (7,613.12 km) |
| Princeton to Palafrugell | 4,746.39 mi (7,638.57 km) |
| Princeton to Palamos | 4,746.04 mi (7,638.01 km) |
