| Port Neches to Orthez | 4,974.59 mi (8,005.83 km) |
| Port Neches to Orvault | 4,831.55 mi (7,775.64 km) |
| Port Neches to Osny | 4,937.23 mi (7,945.70 km) |
| Port Neches to Ostwald | 5,182.79 mi (8,340.90 km) |
| Port Neches to Ouistreham | 4,835.21 mi (7,781.52 km) |
| Port Neches to Oullins | 5,154.05 mi (8,294.64 km) |
| Port Neches to Outreau | 4,871.50 mi (7,839.93 km) |
| Port Neches to Oyonnax | 5,172.80 mi (8,324.82 km) |
| Port Neches to Ozoir-la-Ferriere | 4,970.84 mi (7,999.80 km) |
| Port Neches to Pace | 4,801.74 mi (7,727.65 km) |
| Port Neches to Palaiseau | 4,954.77 mi (7,973.93 km) |
| Port Neches to Pamiers | 5,093.81 mi (8,197.70 km) |
| Port Neches to Panazol | 4,999.09 mi (8,045.26 km) |
| Port Neches to Pantin | 4,955.91 mi (7,975.76 km) |
| Port Neches to Paray-le-Monial | 5,101.51 mi (8,210.09 km) |
