| Ludwigsburg to Navodari | 971.32 mi (1,563.19 km) |
| Ludwigsburg to Negresti-Oas | 655.95 mi (1,055.65 km) |
| Ludwigsburg to Nehoiu | 838.84 mi (1,349.99 km) |
| Ludwigsburg to Ocna Mures | 703.20 mi (1,131.69 km) |
| Ludwigsburg to Odobesti | 862.28 mi (1,387.71 km) |
| Ludwigsburg to Odorheiu Secuiesc | 769.79 mi (1,238.86 km) |
| Ludwigsburg to Oltenita | 891.34 mi (1,434.47 km) |
| Ludwigsburg to Onesti | 837.26 mi (1,347.43 km) |
| Ludwigsburg to Oradea | 601.25 mi (967.62 km) |
| Ludwigsburg to Orastie | 687.25 mi (1,106.02 km) |
| Ludwigsburg to Oravita | 645.50 mi (1,038.83 km) |
| Ludwigsburg to Orsova | 686.49 mi (1,104.81 km) |
| Ludwigsburg to Otelu Rosu | 659.31 mi (1,061.06 km) |
| Ludwigsburg to Otopeni | 851.76 mi (1,370.77 km) |
| Ludwigsburg to Ovidiu | 970.49 mi (1,561.86 km) |
