| Eckernforde to Navodari | 1,091.66 mi (1,756.86 km) |
| Eckernforde to Negresti-Oas | 742.65 mi (1,195.17 km) |
| Eckernforde to Nehoiu | 962.21 mi (1,548.53 km) |
| Eckernforde to Ocna Mures | 829.65 mi (1,335.19 km) |
| Eckernforde to Odobesti | 967.47 mi (1,556.99 km) |
| Eckernforde to Odorheiu Secuiesc | 880.88 mi (1,417.65 km) |
| Eckernforde to Oltenita | 1,038.33 mi (1,671.03 km) |
| Eckernforde to Onesti | 933.56 mi (1,502.41 km) |
| Eckernforde to Oradea | 733.18 mi (1,179.94 km) |
| Eckernforde to Orastie | 836.91 mi (1,346.88 km) |
| Eckernforde to Oravita | 837.06 mi (1,347.11 km) |
| Eckernforde to Orsova | 874.82 mi (1,407.89 km) |
| Eckernforde to Otelu Rosu | 829.35 mi (1,334.72 km) |
| Eckernforde to Otopeni | 995.80 mi (1,602.58 km) |
| Eckernforde to Ovidiu | 1,092.43 mi (1,758.09 km) |
