| Pottstown to Nasaud | 4,656.59 mi (7,494.06 km) |
| Pottstown to Navodari | 4,941.61 mi (7,952.75 km) |
| Pottstown to Negresti-Oas | 4,595.84 mi (7,396.29 km) |
| Pottstown to Nehoiu | 4,808.59 mi (7,738.68 km) |
| Pottstown to Ocna Mures | 4,671.40 mi (7,517.90 km) |
| Pottstown to Odobesti | 4,820.56 mi (7,757.94 km) |
| Pottstown to Odorheiu Secuiesc | 4,730.17 mi (7,612.47 km) |
| Pottstown to Oltenita | 4,874.74 mi (7,845.13 km) |
| Pottstown to Onesti | 4,788.60 mi (7,706.50 km) |
| Pottstown to Oradea | 4,569.12 mi (7,353.28 km) |
| Pottstown to Orastie | 4,667.26 mi (7,511.22 km) |
| Pottstown to Oravita | 4,639.26 mi (7,466.16 km) |
| Pottstown to Orsova | 4,680.25 mi (7,532.13 km) |
| Pottstown to Otelu Rosu | 4,646.99 mi (7,478.61 km) |
| Pottstown to Otopeni | 4,833.02 mi (7,778.00 km) |
