| Norristown to Ondokuzmayis | 5,349.20 mi (8,608.71 km) |
| Norristown to Ordu | 5,441.37 mi (8,757.04 km) |
| Norristown to Ortahisar | 5,437.87 mi (8,751.41 km) |
| Norristown to Ortakent | 5,196.09 mi (8,362.29 km) |
| Norristown to Ortaklar | 5,170.62 mi (8,321.32 km) |
| Norristown to Ortakoy | 5,399.69 mi (8,689.96 km) |
| Norristown to Ortakoy | 5,375.34 mi (8,650.77 km) |
| Norristown to Osmaneli | 5,165.23 mi (8,312.64 km) |
| Norristown to Osmaniye | 5,566.18 mi (8,957.89 km) |
| Norristown to Ozdere | 5,149.08 mi (8,286.65 km) |
| Norristown to Palu | 5,630.26 mi (9,061.03 km) |
| Norristown to Pamukkale | 5,236.85 mi (8,427.90 km) |
| Norristown to Patnos | 5,711.68 mi (9,192.05 km) |
| Norristown to Pazar | 5,416.53 mi (8,717.06 km) |
| Norristown to Pazarcik | 5,587.72 mi (8,992.57 km) |
