| Towson to Orthez | 3,798.80 mi (6,113.57 km) |
| Towson to Orvault | 3,661.28 mi (5,892.26 km) |
| Towson to Osny | 3,774.85 mi (6,075.03 km) |
| Towson to Ostwald | 4,024.65 mi (6,477.05 km) |
| Towson to Ouistreham | 3,671.49 mi (5,908.70 km) |
| Towson to Oullins | 3,984.74 mi (6,412.82 km) |
| Towson to Outreau | 3,714.66 mi (5,978.16 km) |
| Towson to Oyonnax | 4,005.51 mi (6,446.24 km) |
| Towson to Ozoir-la-Ferriere | 3,808.11 mi (6,128.57 km) |
| Towson to Pace | 3,633.53 mi (5,847.60 km) |
| Towson to Palaiseau | 3,791.43 mi (6,101.72 km) |
| Towson to Pamiers | 3,918.42 mi (6,306.09 km) |
| Towson to Panazol | 3,827.59 mi (6,159.91 km) |
| Towson to Pantin | 3,793.30 mi (6,104.73 km) |
| Towson to Paray-le-Monial | 3,933.40 mi (6,330.19 km) |
