| Wilmette to Nasaud | 5,001.25 mi (8,048.74 km) |
| Wilmette to Navodari | 5,289.17 mi (8,512.09 km) |
| Wilmette to Negresti-Oas | 4,940.16 mi (7,950.41 km) |
| Wilmette to Nehoiu | 5,159.38 mi (8,303.21 km) |
| Wilmette to Ocna Mures | 5,025.29 mi (8,087.43 km) |
| Wilmette to Odobesti | 5,164.81 mi (8,311.95 km) |
| Wilmette to Odorheiu Secuiesc | 5,078.29 mi (8,172.72 km) |
| Wilmette to Oltenita | 5,233.25 mi (8,422.09 km) |
| Wilmette to Onesti | 5,130.54 mi (8,256.81 km) |
| Wilmette to Oradea | 4,926.04 mi (7,927.69 km) |
| Wilmette to Orastie | 5,028.12 mi (8,091.98 km) |
| Wilmette to Oravita | 5,012.78 mi (8,067.29 km) |
| Wilmette to Orsova | 5,053.07 mi (8,132.12 km) |
| Wilmette to Otelu Rosu | 5,014.03 mi (8,069.31 km) |
| Wilmette to Otopeni | 5,190.78 mi (8,353.75 km) |
