| Sulmona to Noventa Vicentina | 253.49 mi (407.95 km) |
| Sulmona to Novi di Modena | 248.28 mi (399.56 km) |
| Sulmona to Novi Ligure | 318.77 mi (513.01 km) |
| Sulmona to Nuoro | 267.06 mi (429.80 km) |
| Sulmona to Occhiobello | 230.71 mi (371.30 km) |
| Sulmona to Oderzo | 267.58 mi (430.64 km) |
| Sulmona to Oggiono | 344.10 mi (553.77 km) |
| Sulmona to Olbia | 242.04 mi (389.53 km) |
| Sulmona to Oleggio | 360.19 mi (579.67 km) |
| Sulmona to Olgiate Comasco | 356.99 mi (574.52 km) |
| Sulmona to Olgiate Olona | 352.74 mi (567.68 km) |
| Sulmona to Omegna | 381.10 mi (613.33 km) |
| Sulmona to Opera | 329.16 mi (529.73 km) |
| Sulmona to Oppeano | 263.16 mi (423.52 km) |
| Sulmona to Orbassano | 379.63 mi (610.96 km) |
