| Penicuik to Orbetello | 1,127.03 mi (1,813.77 km) |
| Penicuik to Oria | 1,418.82 mi (2,283.38 km) |
| Penicuik to Oristano | 1,224.78 mi (1,971.09 km) |
| Penicuik to Orta Nova | 1,314.79 mi (2,115.94 km) |
| Penicuik to Orte | 1,156.41 mi (1,861.06 km) |
| Penicuik to Ortona | 1,218.64 mi (1,961.21 km) |
| Penicuik to Orvieto | 1,133.87 mi (1,824.79 km) |
| Penicuik to Orzinuovi | 919.57 mi (1,479.91 km) |
| Penicuik to Osimo | 1,127.85 mi (1,815.10 km) |
| Penicuik to Ospitaletto | 914.48 mi (1,471.71 km) |
| Penicuik to Ostuni | 1,404.10 mi (2,259.69 km) |
| Penicuik to Ottaviano | 1,307.81 mi (2,104.71 km) |
| Penicuik to Ovada | 931.25 mi (1,498.71 km) |
| Penicuik to Ozieri | 1,190.02 mi (1,915.16 km) |
| Penicuik to Paceco | 1,432.55 mi (2,305.46 km) |
