| Annapolis to Nasaud | 4,750.99 mi (7,645.97 km) |
| Annapolis to Navodari | 5,035.64 mi (8,104.08 km) |
| Annapolis to Negresti-Oas | 4,690.29 mi (7,548.30 km) |
| Annapolis to Nehoiu | 4,902.51 mi (7,889.82 km) |
| Annapolis to Ocna Mures | 4,765.22 mi (7,668.87 km) |
| Annapolis to Odobesti | 4,914.87 mi (7,909.71 km) |
| Annapolis to Odorheiu Secuiesc | 4,824.30 mi (7,763.96 km) |
| Annapolis to Oltenita | 4,968.11 mi (7,995.40 km) |
| Annapolis to Onesti | 4,883.06 mi (7,858.53 km) |
| Annapolis to Oradea | 4,662.81 mi (7,504.06 km) |
| Annapolis to Orastie | 4,760.62 mi (7,661.47 km) |
| Annapolis to Oravita | 4,731.76 mi (7,615.03 km) |
| Annapolis to Orsova | 4,772.77 mi (7,681.03 km) |
| Annapolis to Otelu Rosu | 4,739.95 mi (7,628.21 km) |
| Annapolis to Otopeni | 4,926.47 mi (7,928.39 km) |
