| Penicuik to Olympia Heights (Florida) | 4,272.86 mi (6,876.51 km) |
| Penicuik to Omaha (Nebraska) | 4,031.40 mi (6,487.92 km) |
| Penicuik to On Top of the World Designated Place (Florida) | 4,166.04 mi (6,704.60 km) |
| Penicuik to Onalaska (Wisconsin) | 3,731.11 mi (6,004.64 km) |
| Penicuik to Oneida (New York) | 3,210.27 mi (5,166.43 km) |
| Penicuik to Oneonta (New York) | 3,217.05 mi (5,177.34 km) |
| Penicuik to Ontario (California) | 5,132.29 mi (8,259.62 km) |
| Penicuik to Ontario (Oregon) | 4,536.09 mi (7,300.13 km) |
| Penicuik to Opa-locka (Florida) | 4,260.12 mi (6,856.00 km) |
| Penicuik to Opelika (Alabama) | 4,095.04 mi (6,590.33 km) |
| Penicuik to Opelousas (Louisiana) | 4,459.50 mi (7,176.87 km) |
| Penicuik to Orange (California) | 5,152.63 mi (8,292.36 km) |
| Penicuik to Orange (Texas) | 4,543.34 mi (7,311.79 km) |
| Penicuik to Orange City (Florida) | 4,136.85 mi (6,657.62 km) |
| Penicuik to Orangeburg (South Carolina) | 3,880.81 mi (6,245.56 km) |
